Fieldpiece JL3KR4 HVACR Charge Kit — 350 ft Wireless Probes & Real-Time Readouts

Overview

The Fieldpiece JL3KR4 HVACR Charge Kit combines wireless probe technology with a ready to use app workflow, designed for fast on site charging and diagnostics. Technicians can monitor temperature, pressure, and other readings in real time, then document outcomes with a tap. The integration between the probes and the Job Link app means you do not have to shuttle data by hand, and you can share results with colleagues instantly from the job site.

Key benefits

• Accurate at any elevation, directly transmits to mobile devices using the Job Link app
• Up to 350 feet wireless signal
• Stabilizes in under 5 seconds with ±1° accuracy
• Long flexible probe with sliding magnet for easy and precise hands-free testing

Real world use on the clock

Imagine working on a rooftop pack, a cramped mechanical room, or behind thick insulation. The JL3KR4 extended range keeps readings flowing from the field to the screen, reducing trips back to a central workstation. The long probe bends to reach awkward ports, while the magnet helps steady it as you adjust your position. Readings and notes can be shared with teammates or tracked for later review, all through the Job Link app.

Designed for reliability on busy job sites, the wireless link remains stable as you move across rooms and elevations, keeping you connected even when access points are far away. The combination of rapid stabilization, high precision measurements, and a portable form factor supports a confident diagnostic workflow without promising guaranteed results.

What you may gain

• Faster checks and faster documentation of measurements
• Expanded testing range without relocating equipment
• Hands-free operation in tight spaces for improved workflow
• Shareable readings and clear reporting through the Job Link app